Home / 7,628.79-10,527.93-4,271.60

Finding the Fourth Proportional to 7,628.79, 10,527.93 and 4,271.60

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Solution

The fourth proportional to 7,628.79, 10,527.93 and 4,271.60 is: 5,894.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.79 : 10,527.93 = 4,271.60 : x
  2. Step 2: Convert to fraction form
    7,628.79/10,527.93 = 4,271.60/x
  3. Step 3: Cross multiply
    7,628.79x = 10,527.93 × 4,271.60
  4. Step 4: Simplify right side
    7,628.79x = 44,971,105.79
  5. Step 5: Solve for x
    x = 44,971,105.79/7,628.79
  6. Step 6: Final answer
    x = 5,894.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.